20120211222110 has 16 divisors (see below), whose sum is σ = 36238157968896. Its totient is φ = 8043244984608.

The previous prime is 20120211222061. The next prime is 20120211222131. The reversal of 20120211222110 is 1122211202102.

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, 604920569 + ... + 604953828.

It is an arithmetic number, because the mean of its divisors is an integer number (2264884873056).

Almost surely, 2^{20120211222110} is an apocalyptic number.

20120211222110 is a deficient number, since it is larger than the sum of its proper divisors (16117946746786).

20120211222110 is a wasteful number, since it uses less digits than its factorization.

20120211222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209876067.

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

Adding to 20120211222110 its reverse (1122211202102), we get a palindrome (21242422424212).

The spelling of 20120211222110 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred ten".