10121020112210 has 64 divisors (see below), whose sum is σ = 20868321364992. Its totient is φ = 3462076670976.

The previous prime is 10121020112191. The next prime is 10121020112213. The reversal of 10121020112210 is 1221102012101.

It is a super-2 number, since 2×10121020112210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (10121020112213) 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, 283666892 + ... + 283702568.

It is an arithmetic number, because the mean of its divisors is an integer number (326067521328).

Almost surely, 2^{10121020112210} is an apocalyptic number.

10121020112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121020112210 is an abundant number, since it is smaller than the sum of its proper divisors (10747301252782).

10121020112210 is a wasteful number, since it uses less digits than its factorization.

10121020112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44907.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10121020112210 its reverse (1221102012101), we get a palindrome (11342122124311).

The spelling of 10121020112210 in words is "ten trillion, one hundred twenty-one billion, twenty million, one hundred twelve thousand, two hundred ten".