1021220011022 has 8 divisors (see below), whose sum is σ = 1531845345816. Its totient is φ = 510604895752.

The previous prime is 1021220011013. The next prime is 1021220011079. The reversal of 1021220011022 is 2201100221201.

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

It is a junction number, because it is equal to n+sod(n) for n = 1021220010988 and 1021220011006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2299973 + ... + 2707824.

It is an arithmetic number, because the mean of its divisors is an integer number (191480668227).

Almost surely, 2^{1021220011022} is an apocalyptic number.

1021220011022 is a deficient number, since it is larger than the sum of its proper divisors (510625334794).

1021220011022 is a wasteful number, since it uses less digits than its factorization.

1021220011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109762.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021220011022 its reverse (2201100221201), we get a palindrome (3222320232223).

The spelling of 1021220011022 in words is "one trillion, twenty-one billion, two hundred twenty million, eleven thousand, twenty-two".