22012011101021 has 8 divisors (see below), whose sum is σ = 23310356604480. Its totient is φ = 20714056855488.

The previous prime is 22012011101011. The next prime is 22012011101077. The reversal of 22012011101021 is 12010111021022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012011101021 is a prime.

It is a super-2 number, since 2×22012011101021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22012011100987 and 22012011101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012011101011) 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, 97698641 + ... + 97923686.

It is an arithmetic number, because the mean of its divisors is an integer number (2913794575560).

Almost surely, 2^{22012011101021} is an apocalyptic number.

It is an amenable number.

22012011101021 is a deficient number, since it is larger than the sum of its proper divisors (1298345503459).

22012011101021 is a wasteful number, since it uses less digits than its factorization.

22012011101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195628963.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22012011101021 its reverse (12010111021022), we get a palindrome (34022122122043).

The spelling of 22012011101021 in words is "twenty-two trillion, twelve billion, eleven million, one hundred one thousand, twenty-one".