122002201031331 has 4 divisors (see below), whose sum is σ = 162669601375112. Its totient is φ = 81334800687552.

The previous prime is 122002201031329. The next prime is 122002201031363. The reversal of 122002201031331 is 133130102200221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122002201031331 - 2¹ = 122002201031329 is a prime.

It is a super-2 number, since 2×122002201031331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002201031298 and 122002201031307.

It is not an unprimeable number, because it can be changed into a prime (122002201031311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20333700171886 + ... + 20333700171891.

It is an arithmetic number, because the mean of its divisors is an integer number (40667400343778).

Almost surely, 2^{122002201031331} is an apocalyptic number.

122002201031331 is a deficient number, since it is larger than the sum of its proper divisors (40667400343781).

122002201031331 is an equidigital number, since it uses as much as digits as its factorization.

122002201031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40667400343780.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 122002201031331 its reverse (133130102200221), we get a palindrome (255132303231552).

The spelling of 122002201031331 in words is "one hundred twenty-two trillion, two billion, two hundred one million, thirty-one thousand, three hundred thirty-one".