10201121210110 has 64 divisors (see below), whose sum is σ = 18781130188800. Its totient is φ = 3987580111360.

The previous prime is 10201121210101. The next prime is 10201121210149. The reversal of 10201121210110 is 1101212110201.

It is a happy number.

It is a super-2 number, since 2×10201121210110² (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 31 ways as a sum of consecutive naturals, for example, 1239349695 + ... + 1239357925.

It is an arithmetic number, because the mean of its divisors is an integer number (293455159200).

Almost surely, 2^{10201121210110} is an apocalyptic number.

10201121210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201121210110 is a deficient number, since it is larger than the sum of its proper divisors (8580008978690).

10201121210110 is a wasteful number, since it uses less digits than its factorization.

10201121210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10201121210110 its reverse (1101212110201), we get a palindrome (11302333320311).

Subtracting from 10201121210110 its reverse (1101212110201), we obtain a palindrome (9099909099909).

The spelling of 10201121210110 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, two hundred ten thousand, one hundred ten".