1021110221023 has 8 divisors (see below), whose sum is σ = 1086023852928. Its totient is φ = 956735291904.

The previous prime is 1021110221003. The next prime is 1021110221069. The reversal of 1021110221023 is 3201220111201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021110221023 - 2¹³ = 1021110212831 is a prime.

It is a super-2 number, since 2×1021110221023² (a number of 25 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 = 1021110220988 and 1021110221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110221003) 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, 134671786 + ... + 134679367.

It is an arithmetic number, because the mean of its divisors is an integer number (135752981616).

Almost surely, 2^{1021110221023} is an apocalyptic number.

1021110221023 is a deficient number, since it is larger than the sum of its proper divisors (64913631905).

1021110221023 is a wasteful number, since it uses less digits than its factorization.

1021110221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269351393.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021110221023 its reverse (3201220111201), we get a palindrome (4222330332224).

The spelling of 1021110221023 in words is "one trillion, twenty-one billion, one hundred ten million, two hundred twenty-one thousand, twenty-three".