2101220401411 has 32 divisors (see below), whose sum is σ = 2359579051008. Its totient is φ = 1860772193280.

The previous prime is 2101220401393. The next prime is 2101220401421. The reversal of 2101220401411 is 1141040221012.

It is a happy number.

It is not a de Polignac number, because 2101220401411 - 2⁷ = 2101220401283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101220401421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12212695 + ... + 12383551.

It is an arithmetic number, because the mean of its divisors is an integer number (73736845344).

Almost surely, 2^{2101220401411} is an apocalyptic number.

2101220401411 is a deficient number, since it is larger than the sum of its proper divisors (258358649597).

2101220401411 is a wasteful number, since it uses less digits than its factorization.

2101220401411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171411.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2101220401411 its reverse (1141040221012), we get a palindrome (3242260622423).

The spelling of 2101220401411 in words is "two trillion, one hundred one billion, two hundred twenty million, four hundred one thousand, four hundred eleven".