102211969451 has 2 divisors, whose sum is σ = 102211969452. Its totient is φ = 102211969450.

The previous prime is 102211969427. The next prime is 102211969463. The reversal of 102211969451 is 154969112201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102211969451 - 2²² = 102207775147 is a prime.

It is a super-3 number, since 3×102211969451³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102211969399 and 102211969408.

It is not a weakly prime, because it can be changed into another prime (102211969751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105984725 + 51105984726.

It is an arithmetic number, because the mean of its divisors is an integer number (51105984726).

Almost surely, 2^102211969451 is an apocalyptic number.

102211969451 is a deficient number, since it is larger than the sum of its proper divisors (1).

102211969451 is an equidigital number, since it uses as much as digits as its factorization.

102211969451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 102211969451 in words is "one hundred two billion, two hundred eleven million, nine hundred sixty-nine thousand, four hundred fifty-one".