10201121011100 has 36 divisors (see below), whose sum is σ = 22168011109608. Its totient is φ = 4074627480000.

The previous prime is 10201121011091. The next prime is 10201121011117. The reversal of 10201121011100 is 111012110201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72691106 + ... + 72831305.

It is an arithmetic number, because the mean of its divisors is an integer number (615778086378).

Almost surely, 2^{10201121011100} is an apocalyptic number.

10201121011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201121011100 is an abundant number, since it is smaller than the sum of its proper divisors (11966890098508).

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

10201121011100 is a wasteful number, since it uses less digits than its factorization.

10201121011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145523126 (or 145523119 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10201121011100 its reverse (111012110201), we get a palindrome (10312133121301).

The spelling of 10201121011100 in words is "ten trillion, two hundred one billion, one hundred twenty-one million, eleven thousand, one hundred".