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202201120202021 = 1972169147461711
BaseRepresentation
bin101101111110011010011101…
…111100010101110100100101
3222111221020102201121202022122
4231332122131330111310211
5203000330343232431041
61554013525014235325
760406356153322643
oct5576323574256445
9874836381552278
10202201120202021
1159478016a88726
121a817b22055b45
1388a9639c47445
1437d082d272193
151859aada17c4b
hexb7e69df15d25

202201120202021 has 8 divisors (see below), whose sum is σ = 212846235100800. Its totient is φ = 191556300371040.

The previous prime is 202201120201987. The next prime is 202201120202051. The reversal of 202201120202021 is 120202021102202.

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 202201120202021 - 214 = 202201120185637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201120202051) 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, 72359645 + ... + 75102066.

It is an arithmetic number, because the mean of its divisors is an integer number (26605779387600).

Almost surely, 2202201120202021 is an apocalyptic number.

It is an amenable number.

202201120202021 is a deficient number, since it is larger than the sum of its proper divisors (10645114898779).

202201120202021 is a wasteful number, since it uses less digits than its factorization.

202201120202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147533899.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202201120202021 its reverse (120202021102202), we get a palindrome (322403141304223).

The spelling of 202201120202021 in words is "two hundred two trillion, two hundred one billion, one hundred twenty million, two hundred two thousand, twenty-one".

Divisors: 1 19 72169 1371211 147461711 2801772509 10642164221159 202201120202021