10102121120212 has 48 divisors (see below), whose sum is σ = 20766437778240. Its totient is φ = 4248512806400.

The previous prime is 10102121120209. The next prime is 10102121120243. The reversal of 10102121120212 is 21202112120101.

It is a super-2 number, since 2×10102121120212² (a number of 27 digits) contains 22 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, 114409339 + ... + 114497602.

It is an arithmetic number, because the mean of its divisors is an integer number (432634120380).

Almost surely, 2^{10102121120212} is an apocalyptic number.

It is an amenable number.

10102121120212 is an abundant number, since it is smaller than the sum of its proper divisors (10664316658028).

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

10102121120212 is a wasteful number, since it uses less digits than its factorization.

10102121120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228907032 (or 228907030 counting only the distinct ones).

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

Adding to 10102121120212 its reverse (21202112120101), we get a palindrome (31304233240313).

The spelling of 10102121120212 in words is "ten trillion, one hundred two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".