112121021629 has 2 divisors, whose sum is σ = 112121021630. Its totient is φ = 112121021628.

The previous prime is 112121021609. The next prime is 112121021633. The reversal of 112121021629 is 926120121211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98579044729 + 13541976900 = 313973^2 + 116370^2 .

It is a cyclic number.

It is not a de Polignac number, because 112121021629 - 2³¹ = 109973537981 is a prime.

It is a super-2 number, since 2×112121021629² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121021597 and 112121021606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112121021609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56060510814 + 56060510815.

It is an arithmetic number, because the mean of its divisors is an integer number (56060510815).

Almost surely, 2^112121021629 is an apocalyptic number.

It is an amenable number.

112121021629 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121021629 is an equidigital number, since it uses as much as digits as its factorization.

112121021629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 112121021629 in words is "one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, six hundred twenty-nine".