1202121122022 has 24 divisors (see below), whose sum is σ = 2741679752760. Its totient is φ = 379617196320.

The previous prime is 1202121121843. The next prime is 1202121122071. The reversal of 1202121122022 is 2202211212021.

It is a happy number.

It is a super-2 number, since 2×1202121122022² (a number of 25 digits) contains 22 as substring.

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 = 1202121121986 and 1202121122004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1757486679 + ... + 1757487362.

It is an arithmetic number, because the mean of its divisors is an integer number (114236656365).

Almost surely, 2^{1202121122022} is an apocalyptic number.

1202121122022 is an abundant number, since it is smaller than the sum of its proper divisors (1539558630738).

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

1202121122022 is a wasteful number, since it uses less digits than its factorization.

1202121122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514974068 (or 3514974065 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202121122022 its reverse (2202211212021), we get a palindrome (3404332334043).

The spelling of 1202121122022 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one hundred twenty-two thousand, twenty-two".