101211200021212 has 24 divisors (see below), whose sum is σ = 185175194051232. Its totient is φ = 48312447955200.

The previous prime is 101211200021201. The next prime is 101211200021231. The reversal of 101211200021212 is 212120002112101.

It is a super-3 number, since 3×101211200021212³ (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 7 ways as a sum of consecutive naturals, for example, 1055731089 + ... + 1055826952.

It is an arithmetic number, because the mean of its divisors is an integer number (7715633085468).

Almost surely, 2^{101211200021212} is an apocalyptic number.

It is an amenable number.

101211200021212 is a deficient number, since it is larger than the sum of its proper divisors (83963994030020).

101211200021212 is a wasteful number, since it uses less digits than its factorization.

101211200021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111558589 (or 2111558587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101211200021212 its reverse (212120002112101), we get a palindrome (313331202133313).

The spelling of 101211200021212 in words is "one hundred one trillion, two hundred eleven billion, two hundred million, twenty-one thousand, two hundred twelve".