122142021001 has 16 divisors (see below), whose sum is σ = 163994882688. Its totient is φ = 87854400000.

The previous prime is 122142020977. The next prime is 122142021007. The reversal of 122142021001 is 100120241221.

It is a cyclic number.

It is not a de Polignac number, because 122142021001 - 2⁹ = 122142020489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122142021007) 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, 61009000 + ... + 61011001.

It is an arithmetic number, because the mean of its divisors is an integer number (10249680168).

Almost surely, 2^122142021001 is an apocalyptic number.

122142021001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122142021001 is a deficient number, since it is larger than the sum of its proper divisors (41852861687).

122142021001 is a wasteful number, since it uses less digits than its factorization.

122142021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122020032.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122142021001 its reverse (100120241221), we get a palindrome (222262262222).

It can be divided in two parts, 1221420 and 21001, that added together give a palindrome (1242421).

The spelling of 122142021001 in words is "one hundred twenty-two billion, one hundred forty-two million, twenty-one thousand, one".