22101210211011 has 16 divisors (see below), whose sum is σ = 32044997955744. Its totient is φ = 13492630715904.

The previous prime is 22101210211009. The next prime is 22101210211027. The reversal of 22101210211011 is 11011201210122.

It is a happy number.

It is not a de Polignac number, because 22101210211011 - 2¹ = 22101210211009 is a prime.

It is a super-2 number, since 2×22101210211011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22101210211081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5856174640 + ... + 5856178413.

It is an arithmetic number, because the mean of its divisors is an integer number (2002812372234).

Almost surely, 2^{22101210211011} is an apocalyptic number.

22101210211011 is a deficient number, since it is larger than the sum of its proper divisors (9943787744733).

22101210211011 is a wasteful number, since it uses less digits than its factorization.

22101210211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712353110.

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

Adding to 22101210211011 its reverse (11011201210122), we get a palindrome (33112411421133).

The spelling of 22101210211011 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, two hundred eleven thousand, eleven".