10201121950 has 24 divisors (see below), whose sum is σ = 19586157120. Its totient is φ = 3948820800.

The previous prime is 10201121933. The next prime is 10201121951. The reversal of 10201121950 is 5912110201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201121951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3289135 + ... + 3292234.

It is an arithmetic number, because the mean of its divisors is an integer number (816089880).

Almost surely, 2^10201121950 is an apocalyptic number.

10201121950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10201121950 is a deficient number, since it is larger than the sum of its proper divisors (9385035170).

10201121950 is a wasteful number, since it uses less digits than its factorization.

10201121950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581412 (or 6581407 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 10201121950 in words is "ten billion, two hundred one million, one hundred twenty-one thousand, nine hundred fifty".