10121311002 has 32 divisors (see below), whose sum is σ = 22679699904. Its totient is φ = 2984169600.

The previous prime is 10121310973. The next prime is 10121311007. The reversal of 10121311002 is 20011312101.

It is not an unprimeable number, because it can be changed into a prime (10121311007) 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, 2069899 + ... + 2074782.

It is an arithmetic number, because the mean of its divisors is an integer number (708740622).

Almost surely, 2^10121311002 is an apocalyptic number.

10121311002 is an abundant number, since it is smaller than the sum of its proper divisors (12558388902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121311002 is a wasteful number, since it uses less digits than its factorization.

10121311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144734.

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

Adding to 10121311002 its reverse (20011312101), we get a palindrome (30132623103).

It can be divided in two parts, 10121 and 311002, that added together give a palindrome (321123).

The spelling of 10121311002 in words is "ten billion, one hundred twenty-one million, three hundred eleven thousand, two".