101021232121210 has 64 divisors (see below), whose sum is σ = 183859933514400. Its totient is φ = 39960708480000.

The previous prime is 101021232121189. The next prime is 101021232121211. The reversal of 101021232121210 is 12121232120101.

It can be written as a sum of positive squares in 16 ways, for example, as 42946514182881 + 58074717938329 = 6553359^2 + 7620677^2 .

It is a super-2 number, since 2×101021232121210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101021232121211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1580870260 + ... + 1580934160.

Almost surely, 2^{101021232121210} is an apocalyptic number.

101021232121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101021232121210 is a deficient number, since it is larger than the sum of its proper divisors (82838701393190).

101021232121210 is a wasteful number, since it uses less digits than its factorization.

101021232121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66787.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 101021232121210 its reverse (12121232120101), we get a palindrome (113142464241311).

The spelling of 101021232121210 in words is "one hundred one trillion, twenty-one billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred ten".