101220201122001 has 16 divisors (see below), whose sum is σ = 145344430554624. Its totient is φ = 62288238835584.

The previous prime is 101220201121981. The next prime is 101220201122057. The reversal of 101220201122001 is 100221102022101.

It is not a de Polignac number, because 101220201122001 - 2⁵ = 101220201121969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220201122501) 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, 21035841 + ... + 25395806.

It is an arithmetic number, because the mean of its divisors is an integer number (9084026909664).

Almost surely, 2^{101220201122001} is an apocalyptic number.

It is an amenable number.

101220201122001 is a deficient number, since it is larger than the sum of its proper divisors (44124229432623).

101220201122001 is a wasteful number, since it uses less digits than its factorization.

101220201122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46487560.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220201122001 its reverse (100221102022101), we get a palindrome (201441303144102).

The spelling of 101220201122001 in words is "one hundred one trillion, two hundred twenty billion, two hundred one million, one hundred twenty-two thousand, one".