101211212112122 has 32 divisors (see below), whose sum is σ = 182779125696000. Its totient is φ = 41061244899888.

The previous prime is 101211212112083. The next prime is 101211212112137. The reversal of 101211212112122 is 221211212112101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101211212112094 and 101211212112103.

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, 147941372 + ... + 148623927.

It is an arithmetic number, because the mean of its divisors is an integer number (5711847678000).

Almost surely, 2^{101211212112122} is an apocalyptic number.

101211212112122 is a deficient number, since it is larger than the sum of its proper divisors (81567913583878).

101211212112122 is a wasteful number, since it uses less digits than its factorization.

101211212112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296566610.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 101211212112122 its reverse (221211212112101), we get a palindrome (322422424224223).

The spelling of 101211212112122 in words is "one hundred one trillion, two hundred eleven billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".