202101102210212 has 6 divisors (see below), whose sum is σ = 353676928867878. Its totient is φ = 101050551105104.

The previous prime is 202101102210173. The next prime is 202101102210233. The reversal of 202101102210212 is 212012201101202.

It can be written as a sum of positive squares in only one way, i.e., 186572269449316 + 15528832760896 = 13659146^2 + 3940664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25262637776273 + ... + 25262637776280.

It is an arithmetic number, because the mean of its divisors is an integer number (58946154811313).

Almost surely, 2^{202101102210212} is an apocalyptic number.

It is an amenable number.

202101102210212 is a deficient number, since it is larger than the sum of its proper divisors (151575826657666).

202101102210212 is a wasteful number, since it uses less digits than its factorization.

202101102210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50525275552557 (or 50525275552555 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202101102210212 its reverse (212012201101202), we get a palindrome (414113303311414).

The spelling of 202101102210212 in words is "two hundred two trillion, one hundred one billion, one hundred two million, two hundred ten thousand, two hundred twelve".