122002211021202 has 192 divisors, whose sum is σ = 291185157126240. Its totient is φ = 36768201080832.

The previous prime is 122002211021183. The next prime is 122002211021239. The reversal of 122002211021202 is 202120112200221.

It is a happy number.

122002211021202 is a `hidden beast` number, since 1 + 220 + 0 + 221 + 1 + 0 + 21 + 202 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 19911576893121 + 102090634128081 = 4462239^2 + 10103991^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 161820124 + ... + 162572312.

Almost surely, 2^{122002211021202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122002211021202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145592578563120).

122002211021202 is an abundant number, since it is smaller than the sum of its proper divisors (169182946105038).

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

122002211021202 is a wasteful number, since it uses less digits than its factorization.

122002211021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752477 (or 752474 counting only the distinct ones).

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

Adding to 122002211021202 its reverse (202120112200221), we get a palindrome (324122323221423).

The spelling of 122002211021202 in words is "one hundred twenty-two trillion, two billion, two hundred eleven million, twenty-one thousand, two hundred two".