21111133022 has 32 divisors (see below), whose sum is σ = 36381795840. Its totient is φ = 8999880480.

The previous prime is 21111132943. The next prime is 21111133033. The reversal of 21111133022 is 22033111112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952372 + ... + 4956632.

It is an arithmetic number, because the mean of its divisors is an integer number (1136931120).

Almost surely, 2^21111133022 is an apocalyptic number.

21111133022 is a deficient number, since it is larger than the sum of its proper divisors (15270662818).

21111133022 is a wasteful number, since it uses less digits than its factorization.

21111133022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 21111133022 its reverse (22033111112), we get a palindrome (43144244134).

The spelling of 21111133022 in words is "twenty-one billion, one hundred eleven million, one hundred thirty-three thousand, twenty-two".