100011220025 has 12 divisors (see below), whose sum is σ = 124017992400. Its totient is φ = 80006344080.

The previous prime is 100011220019. The next prime is 100011220051. The reversal of 100011220025 is 520022110001.

It is not a de Polignac number, because 100011220025 - 2¹⁶ = 100011154489 is a prime.

It is a super-2 number, since 2×100011220025² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100011219991 and 100011220009.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1149506 + ... + 1233444.

It is an arithmetic number, because the mean of its divisors is an integer number (10334832700).

Almost surely, 2^100011220025 is an apocalyptic number.

It is an amenable number.

100011220025 is a deficient number, since it is larger than the sum of its proper divisors (24006772375).

100011220025 is an equidigital number, since it uses as much as digits as its factorization.

100011220025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131608 (or 131603 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 100011220025 its reverse (520022110001), we get a palindrome (620033330026).

The spelling of 100011220025 in words is "one hundred billion, eleven million, two hundred twenty thousand, twenty-five".