101122212021212 has 24 divisors (see below), whose sum is σ = 179641978288752. Its totient is φ = 49801120128000.

The previous prime is 101122212021197. The next prime is 101122212021253. The reversal of 101122212021212 is 212120212221101.

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, 648374114 + ... + 648530057.

It is an arithmetic number, because the mean of its divisors is an integer number (7485082428698).

Almost surely, 2^{101122212021212} is an apocalyptic number.

It is an amenable number.

101122212021212 is a deficient number, since it is larger than the sum of its proper divisors (78519766267540).

101122212021212 is a wasteful number, since it uses less digits than its factorization.

101122212021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296904469 (or 1296904467 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101122212021212 its reverse (212120212221101), we get a palindrome (313242424242313).

The spelling of 101122212021212 in words is "one hundred one trillion, one hundred twenty-two billion, two hundred twelve million, twenty-one thousand, two hundred twelve".