101211012021212 has 6 divisors (see below), whose sum is σ = 177119271037128. Its totient is φ = 50605506010604.

The previous prime is 101211012021193. The next prime is 101211012021221. The reversal of 101211012021212 is 212120210112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651376502648 + ... + 12651376502655.

It is an arithmetic number, because the mean of its divisors is an integer number (29519878506188).

Almost surely, 2^{101211012021212} is an apocalyptic number.

It is an amenable number.

101211012021212 is a deficient number, since it is larger than the sum of its proper divisors (75908259015916).

101211012021212 is a wasteful number, since it uses less digits than its factorization.

101211012021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25302753005307 (or 25302753005305 counting only the distinct ones).

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

Adding to 101211012021212 its reverse (212120210112101), we get a palindrome (313331222133313).

The spelling of 101211012021212 in words is "one hundred one trillion, two hundred eleven billion, twelve million, twenty-one thousand, two hundred twelve".