121101002121210 has 32 divisors (see below), whose sum is σ = 298497605231232. Its totient is φ = 31420800550080.

The previous prime is 121101002121199. The next prime is 121101002121301. The reversal of 121101002121210 is 12121200101121.

It is a happy number.

It is a super-2 number, since 2×121101002121210² (a number of 29 digits) contains 22 as substring.

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 121101002121210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54549999846 + ... + 54550002065.

It is an arithmetic number, because the mean of its divisors is an integer number (9328050163476).

Almost surely, 2^{121101002121210} is an apocalyptic number.

121101002121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121101002121210 is an abundant number, since it is smaller than the sum of its proper divisors (177396603110022).

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

121101002121210 is a wasteful number, since it uses less digits than its factorization.

121101002121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109100001958.

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

Adding to 121101002121210 its reverse (12121200101121), we get a palindrome (133222202222331).

The spelling of 121101002121210 in words is "one hundred twenty-one trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred ten".