122002012221001 has 16 divisors (see below), whose sum is σ = 134317368662400. Its totient is φ = 109890748742400.

The previous prime is 122002012220953. The next prime is 122002012221007. The reversal of 122002012221001 is 100122210200221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122002012221001 - 2⁹ = 122002012220489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122002012221007) 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, 49587361 + ... + 51989521.

It is an arithmetic number, because the mean of its divisors is an integer number (8394835541400).

Almost surely, 2^{122002012221001} is an apocalyptic number.

122002012221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122002012221001 is a deficient number, since it is larger than the sum of its proper divisors (12315356441399).

122002012221001 is a wasteful number, since it uses less digits than its factorization.

122002012221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444640.

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

Adding to 122002012221001 its reverse (100122210200221), we get a palindrome (222124222421222).

The spelling of 122002012221001 in words is "one hundred twenty-two trillion, two billion, twelve million, two hundred twenty-one thousand, one".