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210022202011021 = 3131721371955023
BaseRepresentation
bin101111110000001110011010…
…101111101110110110001101
31000112121221000100212022220021
4233300032122233232312031
5210012000432203323041
62022402511224422141
762144413644652201
oct5760163257566615
91015557010768807
10210022202011021
1160a12a08849904
121b67b862617951
139026016078b1a
1439c11b367ab01
15194325d215cd1
hexbf039abeed8d

210022202011021 has 8 divisors (see below), whose sum is σ = 217481014324224. Its totient is φ = 202606133608560.

The previous prime is 210022202011019. The next prime is 210022202011043. The reversal of 210022202011021 is 120110202220012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210022202011021 - 21 = 210022202011019 is a prime.

It is a super-2 number, since 2×2100222020110212 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210022202010986 and 210022202011004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022202011081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10685967685 + ... + 10685987338.

It is an arithmetic number, because the mean of its divisors is an integer number (27185126790528).

Almost surely, 2210022202011021 is an apocalyptic number.

It is an amenable number.

210022202011021 is a deficient number, since it is larger than the sum of its proper divisors (7458812313203).

210022202011021 is a wasteful number, since it uses less digits than its factorization.

210022202011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21371955371.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 210022202011021 its reverse (120110202220012), we get a palindrome (330132404231033).

The spelling of 210022202011021 in words is "two hundred ten trillion, twenty-two billion, two hundred two million, eleven thousand, twenty-one".

Divisors: 1 31 317 9827 21371955023 662530605713 6774909742291 210022202011021