10202121111980 has 24 divisors (see below), whose sum is σ = 24485090669088. Its totient is φ = 3497870095488.

The previous prime is 10202121111979. The next prime is 10202121112037. The reversal of 10202121111980 is 8911112120201.

10202121111980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 36436146689 + ... + 36436146968.

It is an arithmetic number, because the mean of its divisors is an integer number (1020212111212).

Almost surely, 2^{10202121111980} is an apocalyptic number.

10202121111980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202121111980 is an abundant number, since it is smaller than the sum of its proper divisors (14282969557108).

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

10202121111980 is a wasteful number, since it uses less digits than its factorization.

10202121111980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72872293673 (or 72872293671 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 10202121111980 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred eleven thousand, nine hundred eighty".