2101100220022 has 16 divisors (see below), whose sum is σ = 3203533679472. Its totient is φ = 1033257993120.

The previous prime is 2101100220007. The next prime is 2101100220031. The reversal of 2101100220022 is 2200220011012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2101100219984 and 2101100220011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249033 + ... + 2400475.

It is an arithmetic number, because the mean of its divisors is an integer number (200220854967).

Almost surely, 2^{2101100220022} is an apocalyptic number.

2101100220022 is a deficient number, since it is larger than the sum of its proper divisors (1102433459450).

2101100220022 is a wasteful number, since it uses less digits than its factorization.

2101100220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166463.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2101100220022 its reverse (2200220011012), we get a palindrome (4301320231034).

The spelling of 2101100220022 in words is "two trillion, one hundred one billion, one hundred million, two hundred twenty thousand, twenty-two".