101421002530 has 16 divisors (see below), whose sum is σ = 182600625024. Its totient is φ = 40558885360.

The previous prime is 101421002509. The next prime is 101421002531. The reversal of 101421002530 is 35200124101.

It is a junction number, because it is equal to n+sod(n) for n = 101421002498 and 101421002507.

It is not an unprimeable number, because it can be changed into a prime (101421002531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144612 + ... + 1230031.

It is an arithmetic number, because the mean of its divisors is an integer number (11412539064).

Almost surely, 2^101421002530 is an apocalyptic number.

101421002530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101421002530 is a deficient number, since it is larger than the sum of its proper divisors (81179622494).

101421002530 is a wasteful number, since it uses less digits than its factorization.

101421002530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378921.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 101421002530 its reverse (35200124101), we get a palindrome (136621126631).

The spelling of 101421002530 in words is "one hundred one billion, four hundred twenty-one million, two thousand, five hundred thirty".