201010120110100 has 72 divisors (see below), whose sum is σ = 498507466466240. Its totient is φ = 68917428011520.

The previous prime is 201010120110011. The next prime is 201010120110109. The reversal of 201010120110100 is 1011021010102.

It is a super-2 number, since 2×201010120110100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010120110109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181459711 + ... + 182564089.

Almost surely, 2^{201010120110100} is an apocalyptic number.

201010120110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010120110100 is an abundant number, since it is smaller than the sum of its proper divisors (297497346356140).

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

201010120110100 is a wasteful number, since it uses less digits than its factorization.

201010120110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364417 (or 1364410 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 201010120110100 its reverse (1011021010102), we get a palindrome (202021141120202).

The spelling of 201010120110100 in words is "two hundred one trillion, ten billion, one hundred twenty million, one hundred ten thousand, one hundred".