1012211002101 has 32 divisors (see below), whose sum is σ = 1539115966080. Its totient is φ = 586186020864.

The previous prime is 1012211002093. The next prime is 1012211002123. The reversal of 1012211002101 is 1012001122101.

It is not a de Polignac number, because 1012211002101 - 2³ = 1012211002093 is a prime.

It is a super-2 number, since 2×1012211002101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012211002801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5571961 + ... + 5750753.

It is an arithmetic number, because the mean of its divisors is an integer number (48097373940).

Almost surely, 2^{1012211002101} is an apocalyptic number.

It is an amenable number.

1012211002101 is a deficient number, since it is larger than the sum of its proper divisors (526904963979).

1012211002101 is a wasteful number, since it uses less digits than its factorization.

1012211002101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187365.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1012211002101 its reverse (1012001122101), we get a palindrome (2024212124202).

The spelling of 1012211002101 in words is "one trillion, twelve billion, two hundred eleven million, two thousand, one hundred one".