1202100102 has 192 divisors, whose sum is σ = 3226728960. Its totient is φ = 328333824.

The previous prime is 1202100089. The next prime is 1202100181. The reversal of 1202100102 is 2010012021.

It is a super-3 number, since 3×1202100102³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10637998 + ... + 10638110.

It is an arithmetic number, because the mean of its divisors is an integer number (16805880).

Almost surely, 2^1202100102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202100102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613364480).

1202100102 is an abundant number, since it is smaller than the sum of its proper divisors (2024628858).

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

1202100102 is a wasteful number, since it uses less digits than its factorization.

1202100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 237 counting only the distinct ones).

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

The square root of 1202100102 is about 34671.3152620433. The cubic root of 1202100102 is about 1063.2781221736.

Adding to 1202100102 its reverse (2010012021), we get a palindrome (3212112123).

The spelling of 1202100102 in words is "one billion, two hundred two million, one hundred thousand, one hundred two".