101121210201210 has 16 divisors (see below), whose sum is σ = 242690904482976. Its totient is φ = 26965656053648.

The previous prime is 101121210201203. The next prime is 101121210201227. The reversal of 101121210201210 is 12102012121101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101121210201210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685353503324 + ... + 1685353503383.

It is an arithmetic number, because the mean of its divisors is an integer number (15168181530186).

Almost surely, 2^{101121210201210} is an apocalyptic number.

101121210201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101121210201210 is an abundant number, since it is smaller than the sum of its proper divisors (141569694281766).

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

101121210201210 is a wasteful number, since it uses less digits than its factorization.

101121210201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370707006717.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101121210201210 its reverse (12102012121101), we get a palindrome (113223222322311).

The spelling of 101121210201210 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred ten million, two hundred one thousand, two hundred ten".