121121222110010 has 32 divisors (see below), whose sum is σ = 219388685784192. Its totient is φ = 48144025702080.

The previous prime is 121121222109971. The next prime is 121121222110013. The reversal of 121121222110010 is 10011222121121.

It is not an unprimeable number, because it can be changed into a prime (121121222110013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5279627 + ... + 16435233.

It is an arithmetic number, because the mean of its divisors is an integer number (6855896430756).

Almost surely, 2^{121121222110010} is an apocalyptic number.

121121222110010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121222110010 is a deficient number, since it is larger than the sum of its proper divisors (98267463674182).

121121222110010 is a wasteful number, since it uses less digits than its factorization.

121121222110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162438.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121121222110010 its reverse (10011222121121), we get a palindrome (131132444231131).

The spelling of 121121222110010 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred ten thousand, ten".