1201021100310 has 16 divisors (see below), whose sum is σ = 2882450640816. Its totient is φ = 320272293408.

The previous prime is 1201021100263. The next prime is 1201021100347. The reversal of 1201021100310 is 130011201021.

It is a super-2 number, since 2×1201021100310² (a number of 25 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 7 ways as a sum of consecutive naturals, for example, 20017018309 + ... + 20017018368.

It is an arithmetic number, because the mean of its divisors is an integer number (180153165051).

Almost surely, 2^{1201021100310} is an apocalyptic number.

1201021100310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201021100310 is an abundant number, since it is smaller than the sum of its proper divisors (1681429540506).

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

1201021100310 is a wasteful number, since it uses less digits than its factorization.

1201021100310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40034036687.

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

Adding to 1201021100310 its reverse (130011201021), we get a palindrome (1331032301331).

The spelling of 1201021100310 in words is "one trillion, two hundred one billion, twenty-one million, one hundred thousand, three hundred ten".