210121011001102 has 16 divisors (see below), whose sum is σ = 316923982410672. Its totient is φ = 104479687676160.

The previous prime is 210121011001039. The next prime is 210121011001259. The reversal of 210121011001102 is 201100110121012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119986933 + ... + 121725535.

It is an arithmetic number, because the mean of its divisors is an integer number (19807748900667).

Almost surely, 2^{210121011001102} is an apocalyptic number.

210121011001102 is a deficient number, since it is larger than the sum of its proper divisors (106802971409570).

210121011001102 is a wasteful number, since it uses less digits than its factorization.

210121011001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072643.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210121011001102 its reverse (201100110121012), we get a palindrome (411221121122114).

The spelling of 210121011001102 in words is "two hundred ten trillion, one hundred twenty-one billion, eleven million, one thousand, one hundred two".