1210101020200 has 48 divisors (see below), whose sum is σ = 2815281060480. Its totient is φ = 483731386560.

The previous prime is 1210101020173. The next prime is 1210101020231. The reversal of 1210101020200 is 20201010121.

It is a super-3 number, since 3×1210101020200³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1617202 + ... + 2244001.

It is an arithmetic number, because the mean of its divisors is an integer number (58651688760).

Almost surely, 2^{1210101020200} is an apocalyptic number.

1210101020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210101020200 is an abundant number, since it is smaller than the sum of its proper divisors (1605180040280).

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

1210101020200 is a wasteful number, since it uses less digits than its factorization.

1210101020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862786 (or 3862777 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210101020200 its reverse (20201010121), we get a palindrome (1230302030321).

The spelling of 1210101020200 in words is "one trillion, two hundred ten billion, one hundred one million, twenty thousand, two hundred".