201111022021022 has 4 divisors (see below), whose sum is σ = 301666533031536. Its totient is φ = 100555511010510.

The previous prime is 201111022020989. The next prime is 201111022021051. The reversal of 201111022021022 is 220120220111102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50277755505254 + ... + 50277755505257.

It is an arithmetic number, because the mean of its divisors is an integer number (75416633257884).

Almost surely, 2^{201111022021022} is an apocalyptic number.

201111022021022 is a deficient number, since it is larger than the sum of its proper divisors (100555511010514).

201111022021022 is a wasteful number, since it uses less digits than its factorization.

201111022021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555511010513.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201111022021022 its reverse (220120220111102), we get a palindrome (421231242132124).

The spelling of 201111022021022 in words is "two hundred one trillion, one hundred eleven billion, twenty-two million, twenty-one thousand, twenty-two".