2100121001202 has 64 divisors (see below), whose sum is σ = 4816485273600. Its totient is φ = 598011491520.

The previous prime is 2100121001197. The next prime is 2100121001207. The reversal of 2100121001202 is 2021001210012.

It is an interprime number because it is at equal distance from previous prime (2100121001197) and next prime (2100121001207).

It is not an unprimeable number, because it can be changed into a prime (2100121001207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16882552 + ... + 17006492.

It is an arithmetic number, because the mean of its divisors is an integer number (75257582400).

Almost surely, 2^{2100121001202} is an apocalyptic number.

2100121001202 is an abundant number, since it is smaller than the sum of its proper divisors (2716364272398).

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

2100121001202 is a wasteful number, since it uses less digits than its factorization.

2100121001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125311.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100121001202 its reverse (2021001210012), we get a palindrome (4121122211214).

The spelling of 2100121001202 in words is "two trillion, one hundred billion, one hundred twenty-one million, one thousand, two hundred two".