122021201212101 has 24 divisors (see below), whose sum is σ = 176918997587904. Its totient is φ = 81040140377280.

The previous prime is 122021201212061. The next prime is 122021201212117. The reversal of 122021201212101 is 101212102120221.

122021201212101 is a `hidden beast` number, since 1 + 220 + 21 + 201 + 212 + 10 + 1 = 666.

It is not a de Polignac number, because 122021201212101 - 2¹⁷ = 122021201081029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021201212301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6193800 + ... + 16804926.

It is an arithmetic number, because the mean of its divisors is an integer number (7371624899496).

Almost surely, 2^{122021201212101} is an apocalyptic number.

It is an amenable number.

122021201212101 is a deficient number, since it is larger than the sum of its proper divisors (54897796375803).

122021201212101 is a wasteful number, since it uses less digits than its factorization.

122021201212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615961 (or 10615958 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122021201212101 its reverse (101212102120221), we get a palindrome (223233303332322).

The spelling of 122021201212101 in words is "one hundred twenty-two trillion, twenty-one billion, two hundred one million, two hundred twelve thousand, one hundred one".