1210002100202 has 16 divisors (see below), whose sum is σ = 2074858792512. Its totient is φ = 518429959200.

The previous prime is 1210002100187. The next prime is 1210002100217. The reversal of 1210002100202 is 2020012000121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1210002100187) and next prime (1210002100217).

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, 11811299 + ... + 11913302.

It is an arithmetic number, because the mean of its divisors is an integer number (129678674532).

Almost surely, 2^{1210002100202} is an apocalyptic number.

1210002100202 is a deficient number, since it is larger than the sum of its proper divisors (864856692310).

1210002100202 is a wasteful number, since it uses less digits than its factorization.

1210002100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23728253.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1210002100202 its reverse (2020012000121), we get a palindrome (3230014100323).

The spelling of 1210002100202 in words is "one trillion, two hundred ten billion, two million, one hundred thousand, two hundred two".