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2212021202021 = 49125571761883
BaseRepresentation
bin100000001100000110101…
…111001110110001100101
321211110121120010212111222
4200030012233032301211
5242220204411431041
64412104415110125
7315545642662211
oct40140657166145
97743546125458
102212021202021
11783127334a94
122b8855512345
1313079222c627
14790c330b941
153c8169ae74b
hex20306bcec65

2212021202021 has 8 divisors (see below), whose sum is σ = 2217394441824. Its totient is φ = 2206651492080.

The previous prime is 2212021202003. The next prime is 2212021202093. The reversal of 2212021202021 is 1202021202122.

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 2212021202021 - 210 = 2212021200997 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 (2212021204021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374546 + ... + 2136428.

It is an arithmetic number, because the mean of its divisors is an integer number (277174305228).

Almost surely, 22212021202021 is an apocalyptic number.

It is an amenable number.

2212021202021 is a deficient number, since it is larger than the sum of its proper divisors (5373239803).

2212021202021 is a wasteful number, since it uses less digits than its factorization.

2212021202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764931.

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

Adding to 2212021202021 its reverse (1202021202122), we get a palindrome (3414042404143).

The spelling of 2212021202021 in words is "two trillion, two hundred twelve billion, twenty-one million, two hundred two thousand, twenty-one".

Divisors: 1 491 2557 1255487 1761883 865084553 4505134831 2212021202021