202120111101110 has 8 divisors (see below), whose sum is σ = 363816199982016. Its totient is φ = 80848044440440.

The previous prime is 202120111101101. The next prime is 202120111101113. The reversal of 202120111101110 is 11101111021202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120111101113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10106005555046 + ... + 10106005555065.

It is an arithmetic number, because the mean of its divisors is an integer number (45477024997752).

Almost surely, 2^{202120111101110} is an apocalyptic number.

202120111101110 is a deficient number, since it is larger than the sum of its proper divisors (161696088880906).

202120111101110 is a wasteful number, since it uses less digits than its factorization.

202120111101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20212011110118.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 202120111101110 its reverse (11101111021202), we get a palindrome (213221222122312).

The spelling of 202120111101110 in words is "two hundred two trillion, one hundred twenty billion, one hundred eleven million, one hundred one thousand, one hundred ten".