1020201220122 has 32 divisors (see below), whose sum is σ = 2412298454400. Its totient is φ = 281434819008.

The previous prime is 1020201220117. The next prime is 1020201220123. The reversal of 1020201220122 is 2210221020201.

1020201220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1020201220123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418800597 + ... + 418803032.

It is an arithmetic number, because the mean of its divisors is an integer number (75384326700).

Almost surely, 2^{1020201220122} is an apocalyptic number.

1020201220122 is an abundant number, since it is smaller than the sum of its proper divisors (1392097234278).

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

1020201220122 is a wasteful number, since it uses less digits than its factorization.

1020201220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837603670.

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

Adding to 1020201220122 its reverse (2210221020201), we get a palindrome (3230422240323).

The spelling of 1020201220122 in words is "one trillion, twenty billion, two hundred one million, two hundred twenty thousand, one hundred twenty-two".