200102121112 has 8 divisors (see below), whose sum is σ = 375191477100. Its totient is φ = 100051060552.

The previous prime is 200102121073. The next prime is 200102121113. The reversal of 200102121112 is 211121201002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×200102121112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200102121092 and 200102121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506382562 + ... + 12506382577.

Almost surely, 2^200102121112 is an apocalyptic number.

It is an amenable number.

200102121112 is a deficient number, since it is larger than the sum of its proper divisors (175089355988).

200102121112 is a wasteful number, since it uses less digits than its factorization.

200102121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25012765145 (or 25012765141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200102121112 its reverse (211121201002), we get a palindrome (411223322114).

The spelling of 200102121112 in words is "two hundred billion, one hundred two million, one hundred twenty-one thousand, one hundred twelve".