22112001011121 has 8 divisors (see below), whose sum is σ = 33694477731264. Its totient is φ = 12635429149200.

The previous prime is 22112001011117. The next prime is 22112001011131. The reversal of 22112001011121 is 12111010021122.

It is a happy number.

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

It is not a de Polignac number, because 22112001011121 - 2² = 22112001011117 is a prime.

It is a super-2 number, since 2×22112001011121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22112001011121.

It is not an unprimeable number, because it can be changed into a prime (22112001011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526476214530 + ... + 526476214571.

It is an arithmetic number, because the mean of its divisors is an integer number (4211809716408).

Almost surely, 2^{22112001011121} is an apocalyptic number.

22112001011121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22112001011121 is a deficient number, since it is larger than the sum of its proper divisors (11582476720143).

22112001011121 is a wasteful number, since it uses less digits than its factorization.

22112001011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052952429111.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22112001011121 its reverse (12111010021122), we get a palindrome (34223011032243).

The spelling of 22112001011121 in words is "twenty-two trillion, one hundred twelve billion, one million, eleven thousand, one hundred twenty-one".