10121203121022 has 24 divisors (see below), whose sum is σ = 25062026776176. Its totient is φ = 2891772320256.

The previous prime is 10121203120883. The next prime is 10121203121023. The reversal of 10121203121022 is 22012130212101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10121203120986 and 10121203121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121203121023) 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, 40163504323 + ... + 40163504574.

It is an arithmetic number, because the mean of its divisors is an integer number (1044251115674).

Almost surely, 2^{10121203121022} is an apocalyptic number.

10121203121022 is an abundant number, since it is smaller than the sum of its proper divisors (14940823655154).

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

10121203121022 is a wasteful number, since it uses less digits than its factorization.

10121203121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80327008912 (or 80327008909 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10121203121022 its reverse (22012130212101), we get a palindrome (32133333333123).

The spelling of 10121203121022 in words is "ten trillion, one hundred twenty-one billion, two hundred three million, one hundred twenty-one thousand, twenty-two".