122101102201021 has 16 divisors (see below), whose sum is σ = 127952455131648. Its totient is φ = 116370153504000.

The previous prime is 122101102200983. The next prime is 122101102201031. The reversal of 122101102201021 is 120102201101221.

It is a cyclic number.

It is not a de Polignac number, because 122101102201021 - 2¹⁹ = 122101101676733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122101102200986 and 122101102201004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101102201031) 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, 1242921 + ... + 15676321.

It is an arithmetic number, because the mean of its divisors is an integer number (7997028445728).

Almost surely, 2^{122101102201021} is an apocalyptic number.

It is an amenable number.

122101102201021 is a deficient number, since it is larger than the sum of its proper divisors (5851352930627).

122101102201021 is a wasteful number, since it uses less digits than its factorization.

122101102201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14437572.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122101102201021 its reverse (120102201101221), we get a palindrome (242203303302242).

The spelling of 122101102201021 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred two million, two hundred one thousand, twenty-one".