21110122002212 has 48 divisors (see below), whose sum is σ = 39029252169600. Its totient is φ = 9963035769600.

The previous prime is 21110122002133. The next prime is 21110122002239. The reversal of 21110122002212 is 21220022101112.

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, 22515614 + ... + 23434442.

It is an arithmetic number, because the mean of its divisors is an integer number (813109420200).

Almost surely, 2^{21110122002212} is an apocalyptic number.

It is an amenable number.

21110122002212 is a deficient number, since it is larger than the sum of its proper divisors (17919130167388).

21110122002212 is a wasteful number, since it uses less digits than its factorization.

21110122002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919956 (or 919954 counting only the distinct ones).

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

Adding to 21110122002212 its reverse (21220022101112), we get a palindrome (42330144103324).

The spelling of 21110122002212 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-two million, two thousand, two hundred twelve".