10121022002121 has 8 divisors (see below), whose sum is σ = 13494711931584. Its totient is φ = 6747340037040.

The previous prime is 10121022002111. The next prime is 10121022002129. The reversal of 10121022002121 is 12120022012101.

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

It is not a de Polignac number, because 10121022002121 - 2¹¹ = 10121022000073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10121022002121.

It is not an unprimeable number, because it can be changed into a prime (10121022002129) 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, 2287555 + ... + 5047271.

It is an arithmetic number, because the mean of its divisors is an integer number (1686838991448).

Almost surely, 2^{10121022002121} is an apocalyptic number.

It is an amenable number.

10121022002121 is a deficient number, since it is larger than the sum of its proper divisors (3373689929463).

10121022002121 is a wasteful number, since it uses less digits than its factorization.

10121022002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982191.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10121022002121 its reverse (12120022012101), we get a palindrome (22241044014222).

The spelling of 10121022002121 in words is "ten trillion, one hundred twenty-one billion, twenty-two million, two thousand, one hundred twenty-one".