201501424102 has 16 divisors (see below), whose sum is σ = 333903398400. Its totient is φ = 90432168840.

The previous prime is 201501424081. The next prime is 201501424123. The reversal of 201501424102 is 201424105102.

It is an interprime number because it is at equal distance from previous prime (201501424081) and next prime (201501424123).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 57967602 + ... + 57971077.

It is an arithmetic number, because the mean of its divisors is an integer number (20868962400).

Almost surely, 2^201501424102 is an apocalyptic number.

201501424102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201501424102 is a deficient number, since it is larger than the sum of its proper divisors (132401974298).

201501424102 is a wasteful number, since it uses less digits than its factorization.

201501424102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115938771.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 201501424102 its reverse (201424105102), we get a palindrome (402925529204).

The spelling of 201501424102 in words is "two hundred one billion, five hundred one million, four hundred twenty-four thousand, one hundred two".