121120012202101 has 24 divisors (see below), whose sum is σ = 136441431987840. Its totient is φ = 107405492113920.

The previous prime is 121120012202069. The next prime is 121120012202107. The reversal of 121120012202101 is 101202210021121.

It is not a de Polignac number, because 121120012202101 - 2⁵ = 121120012202069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120012202107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75536620 + ... + 77123413.

It is an arithmetic number, because the mean of its divisors is an integer number (5685059666160).

Almost surely, 2^{121120012202101} is an apocalyptic number.

121120012202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121120012202101 is a deficient number, since it is larger than the sum of its proper divisors (15321419785739).

121120012202101 is a wasteful number, since it uses less digits than its factorization.

121120012202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152660217 (or 152660206 counting only the distinct ones).

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

Adding to 121120012202101 its reverse (101202210021121), we get a palindrome (222322222223222).

The spelling of 121120012202101 in words is "one hundred twenty-one trillion, one hundred twenty billion, twelve million, two hundred two thousand, one hundred one".