22211333211021 has 16 divisors (see below), whose sum is σ = 31360996742400. Its totient is φ = 13934824823808.

The previous prime is 22211333210981. The next prime is 22211333211031. The reversal of 22211333211021 is 12011233311222.

It is not a de Polignac number, because 22211333211021 - 2⁷ = 22211333210893 is a prime.

It is a super-2 number, since 2×22211333211021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22211333210982 and 22211333211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211333211031) 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, 26108101 + ... + 26945418.

It is an arithmetic number, because the mean of its divisors is an integer number (1960062296400).

Almost surely, 2^{22211333211021} is an apocalyptic number.

It is an amenable number.

22211333211021 is a deficient number, since it is larger than the sum of its proper divisors (9149663531379).

22211333211021 is a wasteful number, since it uses less digits than its factorization.

22211333211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53061748.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 22211333211021 its reverse (12011233311222), we get a palindrome (34222566522243).

The spelling of 22211333211021 in words is "twenty-two trillion, two hundred eleven billion, three hundred thirty-three million, two hundred eleven thousand, twenty-one".