21374270011131 has 16 divisors (see below), whose sum is σ = 28505541987840. Its totient is φ = 14246255993760.

The previous prime is 21374270011121. The next prime is 21374270011147. The reversal of 21374270011131 is 13111007247312.

It is not a de Polignac number, because 21374270011131 - 2⁵ = 21374270011099 is a prime.

It is a super-2 number, since 2×21374270011131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21374270011092 and 21374270011101.

It is not an unprimeable number, because it can be changed into a prime (21374270011121) 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, 518382286 + ... + 518423516.

It is an arithmetic number, because the mean of its divisors is an integer number (1781596374240).

Almost surely, 2^{21374270011131} is an apocalyptic number.

21374270011131 is a deficient number, since it is larger than the sum of its proper divisors (7131271976709).

21374270011131 is a wasteful number, since it uses less digits than its factorization.

21374270011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76546.

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 21374270011131 its reverse (13111007247312), we get a palindrome (34485277258443).

The spelling of 21374270011131 in words is "twenty-one trillion, three hundred seventy-four billion, two hundred seventy million, eleven thousand, one hundred thirty-one".