101120203030121 has 16 divisors (see below), whose sum is σ = 115109531042688. Its totient is φ = 87930330892800.

The previous prime is 101120203030117. The next prime is 101120203030123. The reversal of 101120203030121 is 121030302021101.

It is not a de Polignac number, because 101120203030121 - 2² = 101120203030117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101120203030121.

It is not an unprimeable number, because it can be changed into a prime (101120203030123) 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, 140429561 + ... + 141147801.

It is an arithmetic number, because the mean of its divisors is an integer number (7194345690168).

Almost surely, 2^{101120203030121} is an apocalyptic number.

101120203030121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101120203030121 is a deficient number, since it is larger than the sum of its proper divisors (13989328012567).

101120203030121 is a wasteful number, since it uses less digits than its factorization.

101120203030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274752.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101120203030121 its reverse (121030302021101), we get a palindrome (222150505051222).

The spelling of 101120203030121 in words is "one hundred one trillion, one hundred twenty billion, two hundred three million, thirty thousand, one hundred twenty-one".