210010012202121 has 16 divisors (see below), whose sum is σ = 288700271309184. Its totient is φ = 135692661141504.

The previous prime is 210010012202093. The next prime is 210010012202147. The reversal of 210010012202121 is 121202210010012.

It is not a de Polignac number, because 210010012202121 - 2⁹ = 210010012201609 is a prime.

It is a super-2 number, since 2×210010012202121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210010012202121.

It is not an unprimeable number, because it can be changed into a prime (210010012206121) 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, 3680870485 + ... + 3680927538.

It is an arithmetic number, because the mean of its divisors is an integer number (18043766956824).

Almost surely, 2^{210010012202121} is an apocalyptic number.

It is an amenable number.

210010012202121 is a deficient number, since it is larger than the sum of its proper divisors (78690259107063).

210010012202121 is a wasteful number, since it uses less digits than its factorization.

210010012202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361798320.

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

Adding to 210010012202121 its reverse (121202210010012), we get a palindrome (331212222212133).

The spelling of 210010012202121 in words is "two hundred ten trillion, ten billion, twelve million, two hundred two thousand, one hundred twenty-one".