1011210121101 has 16 divisors (see below), whose sum is σ = 1387079233344. Its totient is φ = 654802625664.

The previous prime is 1011210121081. The next prime is 1011210121133.

1011210121101 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1011210121101 - 2²⁷ = 1011075903373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210121601) 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, 7694640 + ... + 7824953.

It is an arithmetic number, because the mean of its divisors is an integer number (86692452084).

Almost surely, 2^{1011210121101} is an apocalyptic number.

It is an amenable number.

1011210121101 is a deficient number, since it is larger than the sum of its proper divisors (375869112243).

1011210121101 is a wasteful number, since it uses less digits than its factorization.

1011210121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15520220.

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 1011210 and 121101, that added together give a palindrome (1132311).

The spelling of 1011210121101 in words is "one trillion, eleven billion, two hundred ten million, one hundred twenty-one thousand, one hundred one".