102201121101212 has 48 divisors (see below), whose sum is σ = 215639454240000. Its totient is φ = 41402775020544.

The previous prime is 102201121101197. The next prime is 102201121101227. The reversal of 102201121101212 is 212101121102201.

It is an interprime number because it is at equal distance from previous prime (102201121101197) and next prime (102201121101227).

It is a super-3 number, since 3×102201121101212³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

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, 213689162 + ... + 214166897.

It is an arithmetic number, because the mean of its divisors is an integer number (4492488630000).

Almost surely, 2^{102201121101212} is an apocalyptic number.

It is an amenable number.

102201121101212 is an abundant number, since it is smaller than the sum of its proper divisors (113438333138788).

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

102201121101212 is a wasteful number, since it uses less digits than its factorization.

102201121101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427856538 (or 427856536 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102201121101212 its reverse (212101121102201), we get a palindrome (314302242203413).

The spelling of 102201121101212 in words is "one hundred two trillion, two hundred one billion, one hundred twenty-one million, one hundred one thousand, two hundred twelve".