122121001022 has 16 divisors (see below), whose sum is σ = 185091573744. Its totient is φ = 60424440000.

The previous prime is 122121001021. The next prime is 122121001063. The reversal of 122121001022 is 220100121221.

It is a junction number, because it is equal to n+sod(n) for n = 122121000988 and 122121001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121001021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233522 + ... + 546602.

It is an arithmetic number, because the mean of its divisors is an integer number (11568223359).

Almost surely, 2^122121001022 is an apocalyptic number.

122121001022 is a deficient number, since it is larger than the sum of its proper divisors (62970572722).

122121001022 is a wasteful number, since it uses less digits than its factorization.

122121001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315115.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122121001022 its reverse (220100121221), we get a palindrome (342221122243).

The spelling of 122121001022 in words is "one hundred twenty-two billion, one hundred twenty-one million, one thousand, twenty-two".