22011220121102 has 16 divisors (see below), whose sum is σ = 33027840360960. Its totient is φ = 11001940623288.

The previous prime is 22011220121081. The next prime is 22011220121123. The reversal of 22011220121102 is 20112102211022.

It is an interprime number because it is at equal distance from previous prime (22011220121081) and next prime (22011220121123).

It is a super-2 number, since 2×22011220121102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73440233 + ... + 73739339.

It is an arithmetic number, because the mean of its divisors is an integer number (2064240022560).

Almost surely, 2^{22011220121102} is an apocalyptic number.

22011220121102 is a deficient number, since it is larger than the sum of its proper divisors (11016620239858).

22011220121102 is a wasteful number, since it uses less digits than its factorization.

22011220121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311255.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22011220121102 its reverse (20112102211022), we get a palindrome (42123322332124).

The spelling of 22011220121102 in words is "twenty-two trillion, eleven billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".