10121020220220 has 192 divisors, whose sum is σ = 34880215695360. Its totient is φ = 2135324685312.

The previous prime is 10121020220159. The next prime is 10121020220243. The reversal of 10121020220220 is 2202202012101.

10121020220220 is digitally balanced in base 2, 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 a self number, because there is not a number n which added to its sum of digits gives 10121020220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221866134 + ... + 221911746.

It is an arithmetic number, because the mean of its divisors is an integer number (181667790080).

Almost surely, 2^{10121020220220} is an apocalyptic number.

10121020220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121020220220 is an abundant number, since it is smaller than the sum of its proper divisors (24759195475140).

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

10121020220220 is a wasteful number, since it uses less digits than its factorization.

10121020220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86284 (or 86282 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10121020220220 its reverse (2202202012101), we get a palindrome (12323222232321).

The spelling of 10121020220220 in words is "ten trillion, one hundred twenty-one billion, twenty million, two hundred twenty thousand, two hundred twenty".