120101100210 has 96 divisors (see below), whose sum is σ = 384323546880. Its totient is φ = 25340010624.

The previous prime is 120101100199. The next prime is 120101100239. The reversal of 120101100210 is 12001101021.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 120101100192 and 120101100201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7323990 + ... + 7340369.

It is an arithmetic number, because the mean of its divisors is an integer number (4003370280).

Almost surely, 2^120101100210 is an apocalyptic number.

120101100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101100210 is an abundant number, since it is smaller than the sum of its proper divisors (264222446670).

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

120101100210 is a wasteful number, since it uses less digits than its factorization.

120101100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664392 (or 14664389 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120101100210 its reverse (12001101021), we get a palindrome (132102201231).

The spelling of 120101100210 in words is "one hundred twenty billion, one hundred one million, one hundred thousand, two hundred ten".