1020022020111 has 16 divisors (see below), whose sum is σ = 1361138527584. Its totient is φ = 679460312064.

The previous prime is 1020022020097. The next prime is 1020022020163. The reversal of 1020022020111 is 1110202200201.

It is not a de Polignac number, because 1020022020111 - 2⁶ = 1020022020047 is a prime.

It is a super-2 number, since 2×1020022020111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022020181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21078135 + ... + 21126471.

It is an arithmetic number, because the mean of its divisors is an integer number (85071157974).

Almost surely, 2^{1020022020111} is an apocalyptic number.

1020022020111 is a deficient number, since it is larger than the sum of its proper divisors (341116507473).

1020022020111 is a wasteful number, since it uses less digits than its factorization.

1020022020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53930.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020022020111 its reverse (1110202200201), we get a palindrome (2130224220312).

The spelling of 1020022020111 in words is "one trillion, twenty billion, twenty-two million, twenty thousand, one hundred eleven".