121022011210020 has 96 divisors (see below), whose sum is σ = 340417290802176. Its totient is φ = 32124430819200.

The previous prime is 121022011209941. The next prime is 121022011210021. The reversal of 121022011210020 is 20012110220121.

121022011210020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (121022011210021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73152175 + ... + 74788265.

It is an arithmetic number, because the mean of its divisors is an integer number (3546013445856).

Almost surely, 2^{121022011210020} is an apocalyptic number.

121022011210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022011210020 is an abundant number, since it is smaller than the sum of its proper divisors (219395279592156).

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

121022011210020 is a wasteful number, since it uses less digits than its factorization.

121022011210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641761 (or 1641759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121022011210020 its reverse (20012110220121), we get a palindrome (141034121430141).

The spelling of 121022011210020 in words is "one hundred twenty-one trillion, twenty-two billion, eleven million, two hundred ten thousand, twenty".