102021120022212 has 144 divisors (see below), whose sum is σ = 271692683109120. Its totient is φ = 32189557593600.

The previous prime is 102021120022201. The next prime is 102021120022219. The reversal of 102021120022212 is 212220021120201.

It is a happy number.

102021120022212 is a `hidden beast` number, since 1 + 0 + 20 + 211 + 200 + 22 + 212 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102021120022219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4621976008 + ... + 4621998080.

Almost surely, 2^{102021120022212} is an apocalyptic number.

102021120022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102021120022212 is an abundant number, since it is smaller than the sum of its proper divisors (169671563086908).

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

102021120022212 is a wasteful number, since it uses less digits than its factorization.

102021120022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27594 (or 27589 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102021120022212 its reverse (212220021120201), we get a palindrome (314241141142413).

The spelling of 102021120022212 in words is "one hundred two trillion, twenty-one billion, one hundred twenty million, twenty-two thousand, two hundred twelve".