1101220011021 has 64 divisors (see below), whose sum is σ = 1624468608000. Its totient is φ = 659374070784.

The previous prime is 1101220010981. The next prime is 1101220011049. The reversal of 1101220011021 is 1201100221011.

It is not a de Polignac number, because 1101220011021 - 2¹³ = 1101220002829 is a prime.

It is a super-2 number, since 2×1101220011021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1101220010988 and 1101220011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101220011821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221437291 + ... + 221442263.

It is an arithmetic number, because the mean of its divisors is an integer number (25382322000).

Almost surely, 2^{1101220011021} is an apocalyptic number.

It is an amenable number.

1101220011021 is a deficient number, since it is larger than the sum of its proper divisors (523248596979).

1101220011021 is a wasteful number, since it uses less digits than its factorization.

1101220011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1101220011021 its reverse (1201100221011), we get a palindrome (2302320232032).

The spelling of 1101220011021 in words is "one trillion, one hundred one billion, two hundred twenty million, eleven thousand, twenty-one".