121012201002210 has 64 divisors (see below), whose sum is σ = 331921133282304. Its totient is φ = 27659768875200.

The previous prime is 121012201002197. The next prime is 121012201002211. The reversal of 121012201002210 is 12200102210121.

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 121012201002210.

It is not an unprimeable number, because it can be changed into a prime (121012201002211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36070365 + ... + 39282255.

It is an arithmetic number, because the mean of its divisors is an integer number (5186267707536).

Almost surely, 2^{121012201002210} is an apocalyptic number.

121012201002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012201002210 is an abundant number, since it is smaller than the sum of its proper divisors (210908932280094).

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

121012201002210 is a wasteful number, since it uses less digits than its factorization.

121012201002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391319.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121012201002210 its reverse (12200102210121), we get a palindrome (133212303212331).

The spelling of 121012201002210 in words is "one hundred twenty-one trillion, twelve billion, two hundred one million, two thousand, two hundred ten".