1012122211101 has 8 divisors (see below), whose sum is σ = 1428878415744. Its totient is φ = 635057073600.

The previous prime is 1012122211049. The next prime is 1012122211117. The reversal of 1012122211101 is 1011122212101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012122211101 - 2¹³ = 1012122202909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012122211171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9922766725 + ... + 9922766826.

It is an arithmetic number, because the mean of its divisors is an integer number (178609801968).

Almost surely, 2^{1012122211101} is an apocalyptic number.

It is an amenable number.

1012122211101 is a deficient number, since it is larger than the sum of its proper divisors (416756204643).

1012122211101 is a wasteful number, since it uses less digits than its factorization.

1012122211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19845533571.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012122211101 its reverse (1011122212101), we get a palindrome (2023244423202).

The spelling of 1012122211101 in words is "one trillion, twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred one".