100121202 has 24 divisors (see below), whose sum is σ = 217910784. Its totient is φ = 33222744.

The previous prime is 100121201. The next prime is 100121213. The reversal of 100121202 is 202121001.

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 (100121201) 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, 8458 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (9079616).

Almost surely, 2^100121202 is an apocalyptic number.

100121202 is an abundant number, since it is smaller than the sum of its proper divisors (117789582).

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

100121202 is a wasteful number, since it uses less digits than its factorization.

100121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25174 (or 25171 counting only the distinct ones).

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

The square root of 100121202 is about 10006.0582648713. The cubic root of 100121202 is about 464.3463309349.

Adding to 100121202 its reverse (202121001), we get a palindrome (302242203).

The spelling of 100121202 in words is "one hundred million, one hundred twenty-one thousand, two hundred two".