120211021020031 has 2 divisors, whose sum is σ = 120211021020032. Its totient is φ = 120211021020030.

The previous prime is 120211021020017. The next prime is 120211021020131. The reversal of 120211021020031 is 130020120112021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120211021020031 - 2²¹ = 120211018922879 is a prime.

It is a super-2 number, since 2×120211021020031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120211021019987 and 120211021020014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120211021020131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60105510510015 + 60105510510016.

It is an arithmetic number, because the mean of its divisors is an integer number (60105510510016).

Almost surely, 2^{120211021020031} is an apocalyptic number.

120211021020031 is a deficient number, since it is larger than the sum of its proper divisors (1).

120211021020031 is an equidigital number, since it uses as much as digits as its factorization.

120211021020031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 120211021020031 its reverse (130020120112021), we get a palindrome (250231141132052).

The spelling of 120211021020031 in words is "one hundred twenty trillion, two hundred eleven billion, twenty-one million, twenty thousand, thirty-one".