20022101122103 has 4 divisors (see below), whose sum is σ = 20168247845760. Its totient is φ = 19875954398448.

The previous prime is 20022101122073. The next prime is 20022101122147. The reversal of 20022101122103 is 30122110122002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022101122103 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 (20022101122603) 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, 73073361623 + ... + 73073361896.

It is an arithmetic number, because the mean of its divisors is an integer number (5042061961440).

Almost surely, 2^{20022101122103} is an apocalyptic number.

20022101122103 is a deficient number, since it is larger than the sum of its proper divisors (146146723657).

20022101122103 is a wasteful number, since it uses less digits than its factorization.

20022101122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146146723656.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20022101122103 its reverse (30122110122002), we get a palindrome (50144211244105).

The spelling of 20022101122103 in words is "twenty trillion, twenty-two billion, one hundred one million, one hundred twenty-two thousand, one hundred three".