2120221401411 has 16 divisors (see below), whose sum is σ = 2839293778464. Its totient is φ = 1407315830784.

The previous prime is 2120221401407. The next prime is 2120221401427. The reversal of 2120221401411 is 1141041220212.

It is not a de Polignac number, because 2120221401411 - 2² = 2120221401407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120221401611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10649895 + ... + 10847151.

It is an arithmetic number, because the mean of its divisors is an integer number (177455861154).

Almost surely, 2^{2120221401411} is an apocalyptic number.

2120221401411 is a deficient number, since it is larger than the sum of its proper divisors (719072377053).

2120221401411 is a wasteful number, since it uses less digits than its factorization.

2120221401411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212870.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 2120221401411 its reverse (1141041220212), we get a palindrome (3261262621623).

The spelling of 2120221401411 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, four hundred one thousand, four hundred eleven".