121122222010101 has 48 divisors (see below), whose sum is σ = 189792970174080. Its totient is φ = 73990712856960.

The previous prime is 121122222010079. The next prime is 121122222010183. The reversal of 121122222010101 is 101010222221121.

121122222010101 is a `hidden beast` number, since 1 + 211 + 222 + 220 + 1 + 0 + 10 + 1 = 666.

It is not a de Polignac number, because 121122222010101 - 2¹⁵ = 121122221977333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122222010901) 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, 123223111 + ... + 124202171.

It is an arithmetic number, because the mean of its divisors is an integer number (3954020211960).

Almost surely, 2^{121122222010101} is an apocalyptic number.

It is an amenable number.

121122222010101 is a deficient number, since it is larger than the sum of its proper divisors (68670748163979).

121122222010101 is a wasteful number, since it uses less digits than its factorization.

121122222010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986826 (or 986823 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121122222010101 its reverse (101010222221121), we get a palindrome (222132444231222).

The spelling of 121122222010101 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred twenty-two million, ten thousand, one hundred one".