121102010221101 has 48 divisors (see below), whose sum is σ = 207747315546624. Its totient is φ = 62151551392896.

The previous prime is 121102010221099. The next prime is 121102010221111. The reversal of 121102010221101 is 101122010201121.

It is a happy number.

It is not a de Polignac number, because 121102010221101 - 2¹ = 121102010221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102010221111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856294365 + ... + 856435778.

It is an arithmetic number, because the mean of its divisors is an integer number (4328069073888).

Almost surely, 2^{121102010221101} is an apocalyptic number.

It is an amenable number.

121102010221101 is a deficient number, since it is larger than the sum of its proper divisors (86645305325523).

121102010221101 is a wasteful number, since it uses less digits than its factorization.

121102010221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712730210 (or 1712730203 counting only the distinct ones).

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

Adding to 121102010221101 its reverse (101122010201121), we get a palindrome (222224020422222).

The spelling of 121102010221101 in words is "one hundred twenty-one trillion, one hundred two billion, ten million, two hundred twenty-one thousand, one hundred one".