10121203113220 has 24 divisors (see below), whose sum is σ = 21268409375808. Its totient is φ = 4045836895200.

The previous prime is 10121203113209. The next prime is 10121203113223. The reversal of 10121203113220 is 2231130212101.

It is not an unprimeable number, because it can be changed into a prime (10121203113223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165240496 + ... + 165301735.

It is an arithmetic number, because the mean of its divisors is an integer number (886183723992).

Almost surely, 2^{10121203113220} is an apocalyptic number.

10121203113220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121203113220 is an abundant number, since it is smaller than the sum of its proper divisors (11147206262588).

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

10121203113220 is a wasteful number, since it uses less digits than its factorization.

10121203113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330543771 (or 330543769 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10121203113220 its reverse (2231130212101), we get a palindrome (12352333325321).

The spelling of 10121203113220 in words is "ten trillion, one hundred twenty-one billion, two hundred three million, one hundred thirteen thousand, two hundred twenty".