101420191930 has 16 divisors (see below), whose sum is σ = 182568038400. Its totient is φ = 40565478352.

The previous prime is 101420191889. The next prime is 101420191963. The reversal of 101420191930 is 39191024101.

It is a super-2 number, since 2×101420191930² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101420191892 and 101420191901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156730 + ... + 476869.

It is an arithmetic number, because the mean of its divisors is an integer number (11410502400).

Almost surely, 2^101420191930 is an apocalyptic number.

101420191930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101420191930 is a deficient number, since it is larger than the sum of its proper divisors (81147846470).

101420191930 is a wasteful number, since it uses less digits than its factorization.

101420191930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649613.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 101420191930 in words is "one hundred one billion, four hundred twenty million, one hundred ninety-one thousand, nine hundred thirty".