121111022202010 has 32 divisors (see below), whose sum is σ = 218162604099600. Its totient is φ = 48408247641600.

The previous prime is 121111022202007. The next prime is 121111022202031. The reversal of 121111022202010 is 10202220111121.

It can be written as a sum of positive squares in 8 ways, for example, as 85757212149361 + 35353810052649 = 9260519^2 + 5945907^2 .

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, 113444710 + ... + 114507310.

Almost surely, 2^{121111022202010} is an apocalyptic number.

121111022202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121111022202010 is a deficient number, since it is larger than the sum of its proper divisors (97051581897590).

121111022202010 is a wasteful number, since it uses less digits than its factorization.

121111022202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071106.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121111022202010 its reverse (10202220111121), we get a palindrome (131313242313131).

The spelling of 121111022202010 in words is "one hundred twenty-one trillion, one hundred eleven billion, twenty-two million, two hundred two thousand, ten".