1022100201100 has 54 divisors (see below), whose sum is σ = 2437920186212. Its totient is φ = 371672796000.

The previous prime is 1022100201049. The next prime is 1022100201127. The reversal of 1022100201100 is 11020012201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42223446 + ... + 42247645.

Almost surely, 2^{1022100201100} is an apocalyptic number.

1022100201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022100201100 is an abundant number, since it is smaller than the sum of its proper divisors (1415819985112).

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

1022100201100 is a wasteful number, since it uses less digits than its factorization.

1022100201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84471127 (or 84471109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1022100201100 its reverse (11020012201), we get a palindrome (1033120213301).

The spelling of 1022100201100 in words is "one trillion, twenty-two billion, one hundred million, two hundred one thousand, one hundred".