1102211001020 has 48 divisors (see below), whose sum is σ = 2333093607936. Its totient is φ = 437383464000.

The previous prime is 1102211000987. The next prime is 1102211001049. The reversal of 1102211001020 is 201001122011.

It is a junction number, because it is equal to n+sod(n) for n = 1102211000992 and 1102211001010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892505 + ... + 1732335.

It is an arithmetic number, because the mean of its divisors is an integer number (48606116832).

Almost surely, 2^{1102211001020} is an apocalyptic number.

1102211001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102211001020 is an abundant number, since it is smaller than the sum of its proper divisors (1230882606916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1102211001020 is a wasteful number, since it uses less digits than its factorization.

1102211001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840362 (or 840360 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1102211001020 its reverse (201001122011), we get a palindrome (1303212123031).

The spelling of 1102211001020 in words is "one trillion, one hundred two billion, two hundred eleven million, one thousand, twenty".