122011100102021 has 8 divisors (see below), whose sum is σ = 139125779302104. Its totient is φ = 106000593753600.

The previous prime is 122011100101997. The next prime is 122011100102029. The reversal of 122011100102021 is 120201001110221.

It can be written as a sum of positive squares in 4 ways, for example, as 28777978269121 + 93233121832900 = 5364511^2 + 9655730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122011100102021 - 2¹⁰ = 122011100100997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122011100101987 and 122011100102005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011100102029) 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, 276043212680 + ... + 276043213121.

It is an arithmetic number, because the mean of its divisors is an integer number (17390722412763).

Almost surely, 2^{122011100102021} is an apocalyptic number.

It is an amenable number.

122011100102021 is a deficient number, since it is larger than the sum of its proper divisors (17114679200083).

122011100102021 is a wasteful number, since it uses less digits than its factorization.

122011100102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552086425831.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122011100102021 its reverse (120201001110221), we get a palindrome (242212101212242).

The spelling of 122011100102021 in words is "one hundred twenty-two trillion, eleven billion, one hundred million, one hundred two thousand, twenty-one".