22111010021210 has 48 divisors (see below), whose sum is σ = 43747861274208. Its totient is φ = 8040191971680.

The previous prime is 22111010021201. The next prime is 22111010021251. The reversal of 22111010021210 is 1212001011122.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63815657 + ... + 64161203.

It is an arithmetic number, because the mean of its divisors is an integer number (911413776546).

Almost surely, 2^{22111010021210} is an apocalyptic number.

22111010021210 is a deficient number, since it is larger than the sum of its proper divisors (21636851252998).

22111010021210 is a wasteful number, since it uses less digits than its factorization.

22111010021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398459 (or 398448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22111010021210 its reverse (1212001011122), we get a palindrome (23323011032332).

The spelling of 22111010021210 in words is "twenty-two trillion, one hundred eleven billion, ten million, twenty-one thousand, two hundred ten".