201120213102122 has 4 divisors (see below), whose sum is σ = 301680319653186. Its totient is φ = 100560106551060.

The previous prime is 201120213102101. The next prime is 201120213102187. The reversal of 201120213102122 is 221201312021102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 189795837242881 + 11324375859241 = 13776641^2 + 3365171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201120213102094 and 201120213102103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50280053275529 + ... + 50280053275532.

Almost surely, 2^{201120213102122} is an apocalyptic number.

201120213102122 is a deficient number, since it is larger than the sum of its proper divisors (100560106551064).

201120213102122 is a wasteful number, since it uses less digits than its factorization.

201120213102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100560106551063.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 201120213102122 its reverse (221201312021102), we get a palindrome (422321525123224).

The spelling of 201120213102122 in words is "two hundred one trillion, one hundred twenty billion, two hundred thirteen million, one hundred two thousand, one hundred twenty-two".