10121102211021 has 8 divisors (see below), whose sum is σ = 13499843975904. Its totient is φ = 6744880960080.

The previous prime is 10121102210981. The next prime is 10121102211079. The reversal of 10121102211021 is 12011220112101.

It is a happy number.

10121102211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10121102211021 - 2³¹ = 10118954727373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121102211091) 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, 630119115 + ... + 630135176.

It is an arithmetic number, because the mean of its divisors is an integer number (1687480496988).

Almost surely, 2^{10121102211021} is an apocalyptic number.

It is an amenable number.

10121102211021 is a deficient number, since it is larger than the sum of its proper divisors (3378741764883).

10121102211021 is a wasteful number, since it uses less digits than its factorization.

10121102211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260256971.

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

Adding to 10121102211021 its reverse (12011220112101), we get a palindrome (22132322323122).

The spelling of 10121102211021 in words is "ten trillion, one hundred twenty-one billion, one hundred two million, two hundred eleven thousand, twenty-one".