10121112210101 has 4 divisors (see below), whose sum is σ = 10122549262752. Its totient is φ = 10119675157452.

The previous prime is 10121112210091. The next prime is 10121112210163. The reversal of 10121112210101 is 10101221112101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10121112210101 - 2²² = 10121108015797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121112210301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718515761 + ... + 718529846.

It is an arithmetic number, because the mean of its divisors is an integer number (2530637315688).

Almost surely, 2^{10121112210101} is an apocalyptic number.

It is an amenable number.

10121112210101 is a deficient number, since it is larger than the sum of its proper divisors (1437052651).

10121112210101 is an equidigital number, since it uses as much as digits as its factorization.

10121112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437052650.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121112210101 its reverse (10101221112101), we get a palindrome (20222333322202).

The spelling of 10121112210101 in words is "ten trillion, one hundred twenty-one billion, one hundred twelve million, two hundred ten thousand, one hundred one".