101120020200121 has 64 divisors (see below), whose sum is σ = 113061401671680. Its totient is φ = 89842833400320.

The previous prime is 101120020200053. The next prime is 101120020200127. The reversal of 101120020200121 is 121002020021101.

It is not a de Polignac number, because 101120020200121 - 2¹⁷ = 101120020069049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101120020200127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39952594626 + ... + 39952597156.

It is an arithmetic number, because the mean of its divisors is an integer number (1766584401120).

Almost surely, 2^{101120020200121} is an apocalyptic number.

It is an amenable number.

101120020200121 is a deficient number, since it is larger than the sum of its proper divisors (11941381471559).

101120020200121 is a wasteful number, since it uses less digits than its factorization.

101120020200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101120020200121 its reverse (121002020021101), we get a palindrome (222122040221222).

The spelling of 101120020200121 in words is "one hundred one trillion, one hundred twenty billion, twenty million, two hundred thousand, one hundred twenty-one".