21022122011102 has 8 divisors (see below), whose sum is σ = 31537320709512. Its totient is φ = 10509681774600.

The previous prime is 21022122011081. The next prime is 21022122011119. The reversal of 21022122011102 is 20111022122012.

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

It is a super-2 number, since 2×21022122011102² (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 3 ways as a sum of consecutive naturals, for example, 689596424 + ... + 689626907.

It is an arithmetic number, because the mean of its divisors is an integer number (3942165088689).

Almost surely, 2^{21022122011102} is an apocalyptic number.

21022122011102 is a deficient number, since it is larger than the sum of its proper divisors (10515198698410).

21022122011102 is a wasteful number, since it uses less digits than its factorization.

21022122011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379230954.

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

Adding to 21022122011102 its reverse (20111022122012), we get a palindrome (41133144133114).

The spelling of 21022122011102 in words is "twenty-one trillion, twenty-two billion, one hundred twenty-two million, eleven thousand, one hundred two".