2000102121 has 12 divisors (see below), whose sum is σ = 2889909360. Its totient is φ = 1332998520.

The previous prime is 2000102119. The next prime is 2000102177. The reversal of 2000102121 is 1212010002.

It is not a de Polignac number, because 2000102121 - 2¹ = 2000102119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2000102521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411 + ... + 63248.

It is an arithmetic number, because the mean of its divisors is an integer number (240825780).

Almost surely, 2^2000102121 is an apocalyptic number.

It is an amenable number.

2000102121 is a deficient number, since it is larger than the sum of its proper divisors (889807239).

2000102121 is a wasteful number, since it uses less digits than its factorization.

2000102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67156 (or 67153 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2000102121 is about 44722.5012829113. The cubic root of 2000102121 is about 1259.9424935962.

Adding to 2000102121 its reverse (1212010002), we get a palindrome (3212112123).

The spelling of 2000102121 in words is "two billion, one hundred two thousand, one hundred twenty-one".