101211012202 has 4 divisors (see below), whose sum is σ = 151816518306. Its totient is φ = 50605506100.

The previous prime is 101211012179. The next prime is 101211012211. The reversal of 101211012202 is 202210112101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 65061215041 + 36149797161 = 255071^2 + 190131^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25302753049 + ... + 25302753052.

Almost surely, 2^101211012202 is an apocalyptic number.

101211012202 is a deficient number, since it is larger than the sum of its proper divisors (50605506104).

101211012202 is an equidigital number, since it uses as much as digits as its factorization.

101211012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605506103.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101211012202 its reverse (202210112101), we get a palindrome (303421124303).

The spelling of 101211012202 in words is "one hundred one billion, two hundred eleven million, twelve thousand, two hundred two".