102111120020212 has 48 divisors (see below), whose sum is σ = 189062195112000. Its totient is φ = 48121160085504.

The previous prime is 102111120020201. The next prime is 102111120020233. The reversal of 102111120020212 is 212020021111201.

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, 22207714 + ... + 26408422.

It is an arithmetic number, because the mean of its divisors is an integer number (3938795731500).

Almost surely, 2^{102111120020212} is an apocalyptic number.

It is an amenable number.

102111120020212 is a deficient number, since it is larger than the sum of its proper divisors (86951075091788).

102111120020212 is a wasteful number, since it uses less digits than its factorization.

102111120020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4202368 (or 4202366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102111120020212 its reverse (212020021111201), we get a palindrome (314131141131413).

The spelling of 102111120020212 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty million, twenty thousand, two hundred twelve".