101121343212 has 48 divisors (see below), whose sum is σ = 242751821312. Its totient is φ = 32738592960.

The previous prime is 101121343207. The next prime is 101121343229. The reversal of 101121343212 is 212343121101.

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, 54093 + ... + 452955.

Almost surely, 2^101121343212 is an apocalyptic number.

101121343212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101121343212 is an abundant number, since it is smaller than the sum of its proper divisors (141630478100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101121343212 is a wasteful number, since it uses less digits than its factorization.

101121343212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399478 (or 399476 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 101121343212 its reverse (212343121101), we get a palindrome (313464464313).

The spelling of 101121343212 in words is "one hundred one billion, one hundred twenty-one million, three hundred forty-three thousand, two hundred twelve".