20110002211021 has 8 divisors (see below), whose sum is σ = 20137031899904. Its totient is φ = 20082973194000.

The previous prime is 20110002210983. The next prime is 20110002211147. The reversal of 20110002211021 is 12011220001102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20110002211021 is a prime.

It is a super-2 number, since 2×20110002211021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110002210992 and 20110002211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110002911021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98589280 + ... + 98793046.

It is an arithmetic number, because the mean of its divisors is an integer number (2517128987488).

Almost surely, 2^{20110002211021} is an apocalyptic number.

It is an amenable number.

20110002211021 is a deficient number, since it is larger than the sum of its proper divisors (27029688883).

20110002211021 is a wasteful number, since it uses less digits than its factorization.

20110002211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335931.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20110002211021 its reverse (12011220001102), we get a palindrome (32121222212123).

The spelling of 20110002211021 in words is "twenty trillion, one hundred ten billion, two million, two hundred eleven thousand, twenty-one".