10100021210212 has 6 divisors (see below), whose sum is σ = 17675037117878. Its totient is φ = 5050010605104.

The previous prime is 10100021210183. The next prime is 10100021210231. The reversal of 10100021210212 is 21201212000101.

It can be written as a sum of positive squares in only one way, i.e., 9344662065216 + 755359144996 = 3056904^2 + 869114^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10100021210192 and 10100021210201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262502651273 + ... + 1262502651280.

Almost surely, 2^{10100021210212} is an apocalyptic number.

It is an amenable number.

10100021210212 is a deficient number, since it is larger than the sum of its proper divisors (7575015907666).

10100021210212 is a wasteful number, since it uses less digits than its factorization.

10100021210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525005302557 (or 2525005302555 counting only the distinct ones).

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

Adding to 10100021210212 its reverse (21201212000101), we get a palindrome (31301233210313).

The spelling of 10100021210212 in words is "ten trillion, one hundred billion, twenty-one million, two hundred ten thousand, two hundred twelve".