100201011221010 has 64 divisors (see below), whose sum is σ = 277558218411264. Its totient is φ = 22676325024000.

The previous prime is 100201011220927. The next prime is 100201011221099. The reversal of 100201011221010 is 10122110102001.

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, 2362095981 + ... + 2362138400.

It is an arithmetic number, because the mean of its divisors is an integer number (4336847162676).

Almost surely, 2^{100201011221010} is an apocalyptic number.

100201011221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100201011221010 is an abundant number, since it is smaller than the sum of its proper divisors (177357207190254).

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

100201011221010 is a wasteful number, since it uses less digits than its factorization.

100201011221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724234499.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100201011221010 its reverse (10122110102001), we get a palindrome (110323121323011).

The spelling of 100201011221010 in words is "one hundred trillion, two hundred one billion, eleven million, two hundred twenty-one thousand, ten".