200102121002 has 16 divisors (see below), whose sum is σ = 354860904960. Its totient is φ = 82800877488.

The previous prime is 200102120993. The next prime is 200102121059. The reversal of 200102121002 is 200121201002.

It is a happy 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, 246430778 + ... + 246431589.

It is an arithmetic number, because the mean of its divisors is an integer number (22178806560).

Almost surely, 2^200102121002 is an apocalyptic number.

200102121002 is a deficient number, since it is larger than the sum of its proper divisors (154758783958).

200102121002 is a wasteful number, since it uses less digits than its factorization.

200102121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492862405.

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

Adding to 200102121002 its reverse (200121201002), we get a palindrome (400223322004).

The spelling of 200102121002 in words is "two hundred billion, one hundred two million, one hundred twenty-one thousand, two".